278300178

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 694122240

約数和(自身を除く): 415822062

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 61, 67, 78, 97, 117, 122, 134, 183, 194, 201, 234, 291, 351, 366, 402, 549, 582, 603, 702, 793, 871, 873, 1098, 1206, 1261, 1586, 1647, 1742, 1746, 1809, 2379, 2522, 2613, 2619, 3294, 3618, 3783, 4087, 4758, 5226, 5238, 5917, 6499, 7137, 7566, 7839, 8174, 11349, 11834, 12261, 12998, 14274, 15678, 17751, 19497, 21411, 22698, 23517, 24522, 34047, 35502, 36783, 38994, 42822, 47034, 53131, 53253, 58491, 68094, 73566, 76921, 84487, 106262, 106506, 110349, 116982, 153842, 159393, 159759, 168974, 175473, 220698, 230763, 253461, 318786, 319518, 350946, 396439, 461526, 478179, 506922, 692289, 760383, 792878, 956358, 1189317, 1384578, 1434537, 1520766, 2076867, 2281149, 2378634, 2869074, 3567951, 4153734, 4562298, 5153707, 7135902, 10307414, 10703853, 15461121, 21407706, 30922242, 46383363, 92766726, 139150089, 278300178]

約数ペア:

[(1, 278300178), (2, 139150089), (3, 92766726), (6, 46383363), (9, 30922242), (13, 21407706), (18, 15461121), (26, 10703853), (27, 10307414), (39, 7135902), (54, 5153707), (61, 4562298), (67, 4153734), (78, 3567951), (97, 2869074), (117, 2378634), (122, 2281149), (134, 2076867), (183, 1520766), (194, 1434537), (201, 1384578), (234, 1189317), (291, 956358), (351, 792878), (366, 760383), (402, 692289), (549, 506922), (582, 478179), (603, 461526), (702, 396439), (793, 350946), (871, 319518), (873, 318786), (1098, 253461), (1206, 230763), (1261, 220698), (1586, 175473), (1647, 168974), (1742, 159759), (1746, 159393), (1809, 153842), (2379, 116982), (2522, 110349), (2613, 106506), (2619, 106262), (3294, 84487), (3618, 76921), (3783, 73566), (4087, 68094), (4758, 58491), (5226, 53253), (5238, 53131), (5917, 47034), (6499, 42822), (7137, 38994), (7566, 36783), (7839, 35502), (8174, 34047), (11349, 24522), (11834, 23517), (12261, 22698), (12998, 21411), (14274, 19497), (15678, 17751)]